Contract 2121 Ground and securing work for buildings M, N and O - Nye Rikshospitalet

Description du marché

The contract mainly comprises construction pits for Building M-N-O and areas west and north of MNO towards the Cwings: • Establishment of a construction pit for Building M, N and O• Demolition of Temporary preliminary site I• Pipe wall and pipe sheet along the C-wing and by folding tunnel towards F2• Temporary construction road along C-wings including infrastructure under road with preparation for a permanent access road• Access road including connection to Sognsvannsveien• Establishment of sub-section and driving a tunnel northward towards F, including rock works for shafts fromF2 to tunnel• Construction road north of the spiral ramp • Site road over spiral ramp down in O• Heating cables in construction roads laid in asphalt and/or concrete (engineered by tenderer).• Blasting for crane foundations in subsequent contracts• Establishment of poles and driving of tunnels under building B1• Mass removal for MNO including culverts• Demolition of the disconnected W&S system. high voltage and fibre cables.• Handling site water, sedimentation and pumping• Rigging and operationThe main activities will be the removal of uncompacted matter, blasting and removing rock, driving 2berg tunnels, rock protection and general securing work for the establishment of a building pit using pipe wall and pipe sheet. Establishment of site roads adapted to progress. The contract does not include refills, drains and bottom pipelines that come in the framework contract.

Pouvoir adjudicateur